18041488

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3491}}^1$

素因数の和:3535

約数の個数: 40

約数和(自身を含む): 38970720

約数和(自身を除く): 20929232

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 3491, 5168, 6982, 13964, 27928, 55856, 59347, 66329, 118694, 132658, 237388, 265316, 474776, 530632, 949552, 1061264, 1127593, 2255186, 4510372, 9020744, 18041488]

約数ペア:

[(1, 18041488), (2, 9020744), (4, 4510372), (8, 2255186), (16, 1127593), (17, 1061264), (19, 949552), (34, 530632), (38, 474776), (68, 265316), (76, 237388), (136, 132658), (152, 118694), (272, 66329), (304, 59347), (323, 55856), (646, 27928), (1292, 13964), (2584, 6982), (3491, 5168)]